Reduce the fraction $\frac{9}{1166400}$ to lowest terms by extracting and canceling out $9$.
$$360\sqrt{\frac{1}{129600}}$$
Rewrite the square root of the division $\frac{1}{129600}$ as the division of square roots $\frac{\sqrt{1}}{\sqrt{129600}}$. Take the square root of both numerator and denominator.